Technical Bulletin
Bulletin No.: PRO-GI-04 Effective Date: 7/15/83 Cancels: N/A Page: 1 of 1
Subject:
Note: This bulletin cancels bulletin PRO-GI-4 Dated 8/16/82
This is to announce that device body, inter-body and cover castings with untapped screw
holes will NO LONGER BE AVAILABLE AS SERVICE REPLACEMENTS.
The following valve bodies will no longer be available as service parts. This is an onÂgoing program that will affect additional components in the future.
AD-2 and AD-3 end covers will be supplied with threaded retainer clip holes under the
same piece numbers as in the past.
Elimination of Tapped Screw Holes in Replacement Parts
1. R-6, R-8, R-8P, R-12 & R-14 Relay Valves
2. RE-6 Relay Emergency Valve
3. E-6, E-7, E-10 Brake Valves
4. TC-2 Trailer Control Valve
5. QR-1 Quick Release Valve
6. SR-1 Spring Brake Valve